RA (ICRS) DEC
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ℓ b
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Distance [kpc] | ||
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Distance to the plane (z) [kpc] | ||
Orbital period (Porb) [h] | ||
Peak X-ray flux [erg s-1 cm-2] [keV] |
1.06E-08 [2-10] |
Negoro2019 |
Outburst magnitude (AB) | ||
Quiescent magnitude (AB) | ||
E(B-V) [mag] | 4.2 – 7.2 | Miyasaka2018Eijnden2019 |
Spectral type |
MAXI J1631-479: Shin2019 reported a possible counterpart (VPHASDR2 J163114.1-474822.7) with i’=18.3. However it showed no optical variability compared to their observations (R ~ 19.1 and I ~ 18.0). Later, Kong2019 detected another target 1.4” from the radio position with r’=19.36 ± 0.06 (calibrated against APASS) and R=18.13 ± 0.03 in DSS images from 1992. The possible counterpart seems to be an interloper unrelated to the X-ray transient |
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